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初中阶段加前后缀构成反义词归纳

初中阶段加前后缀构成反义词归纳1. un-
able- unable
fair- unfair
friendly- unfriendly
grateful- ungrateful(不领情的)
happy- unhappy
healthy- unhealthy
helpful- unhelpful(无帮助的)
important- unimportant
kind- unkind
known- unknown
lucky- unlucky
necessary- unnecessary
pleasant- unpleasant
popular- unpopular
tidy- untidy
usual- unusual
2.–less
careful-careless
helpful-helpless(无助的,需要帮助的useful- useless
harmful- harmless
hopeful-hopeless
meaningful- meaningless
end- endless)
3. dis-
honest- dishonest
agree- disagree
like- dislike
appear- disappear
advantage- disadvantage
4. in-
correct- incorrect
active- inactive
5.im-
possible- impossible
polite- impolite
patient- impatient
6.ir-
regular- irregular
xx-un
例词:
unhappy unusual ungrateful unhelpful unkind
第二类:
加后缀-less
例词:
careless homeless hopeless
第三类:
xx-im
例词:
impolite(不礼貌的) impatient(不耐心的)impossible(不可能的)第四类:
xx-in
例词:
incorrect(不正确的)inactive(不活跃的)第五类:
xx-dis
例词:
dishonest(不诚实的)
第六类:
xx-ir
irregular(不规则的)
归纳:
初中阶段绝大多数形容词都是加前缀-un构成其否定形式,记忆起来工程浩大,比较困难。

但如果我们把不是加-un前缀而是加-im, -in, -dis, -ir等前缀的这七个单词牢记的话,那么就能达到事半功倍的效果。

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